WSPR (Weak Signal Propagation Reporter) is a mode in the WSJT-X software developed by Dr Joe Taylor K1JT. In this video I show what WSPR is, how to get started and setting up as an introduction for new beginners.
WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions. Normal transmissions carry a station’s callsign, Maidenhead grid locator, and transmitter power in dBm. The program can decode signals with S/N as low as -28 dB in a 2500 Hz bandwidth. Stations with internet access can automatically upload their reception reports to a central database called WSPRnet, which includes a mapping facility. To see a live version of the map pictured at top right, click here.
WSJT-X now includes WSPR among its many supported modes. Most operators will be best served by using WSJT-X for WSPR as well as for any of the two-way communication modes.
WSPR 2 is showing its age but is still perfectly usable. It may be especially desirable if you need a lightweight program that runs on older computers. It features a user-friendly setup screen with drop-down selection of audio devices and rig-control parameters, support for compound callsigns, fine selection of the fractional time for transmitting, and a Tune button. A new Advanced setup screen offers optional CW identification and tools for frequency calibration and automated frequency corrections for your radio. Full details are presented in the WSPR 2.0 User’s Guide. Binary installation package is made available for Ubuntu Linux (versions 8.10 and later), Debian 5.03, and other Debian-based 32-bit Linux distributions.
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